American Memory
Library of Congress site providing free and open access to written and spoken words, sound recordings, still and moving images, prints, maps, and sheet music that document the American experience.
Exploring U.S. History Maintained by the University of Oklahoma, this site provides a list of primary sources from 1600 to present prepared for their history courses.
National Archives National Archives and Records Administration preserves the records of our Government, ensuring that the people can discover, use, and learn from this documentary heritage.
National Museum of American History The NMAH dedicates its collections and scholarship to inspiring a broader understanding of our nation and its many peoples.
Native American Studies Provides access to home pages of Native American Nations, organizations and other sites that provide solid information about American Indians.